| Registered Name | Owner / Club | Status |
|---|---|---|
| Apache Hammy (IRE) | Declan Leamy Golden Grove | Approved |
| Apache III | Lizzy Naughton Round Tower | Approved |
| Apache Pinto | Shane McKenna Unicorn | Approved |
| Apache V/D Lange Vos | Grainne Murphy Unicorn | Approved |
| Apachi | Margaret Manning East Cork | Approved |
| Aphrodite Orca Phoenix | Andrew Thornton Killegar | Approved |
| Apollo | Laura Doyle Mullingar | Approved |
| Apollo 13 | Rachel Gilheany Drumcoura | Approved |
| Apollos Wish | Lindsey Newitt Thomastown and District | Approved |
| Appolo Fifteen | Triona Dever Cheval | Approved |
| April Moonlight | Olivia Nolan Castle Hill | Approved |
| April Raven | Rachel Harney Mullingar | Approved |
| Aquilla | Jonah Wragg Unicorn | Approved |
| Ar Ais Aris | John McDaid Donegal Gaeltacht | Approved |
| Arabian Dynasty | Vikki Byrne Killcarrick | Approved |